@function rem($px) {
    @return $px/(750/16)*1rem;
}

body {
    background-color: #eee;
}

.item {
    padding: rem(50) rem(30);
    margin-top: rem(30);
    background: #fff;
    overflow: hidden;

    .imgbox{
        width: rem(200);
        height: rem(200);
        margin-right: rem(20);
        float: left;

        img {
            width: 100%;
        }
    }

    .introdution {
        width: rem(470);
        float: left;

        .text {
            margin-bottom: rem(32);
            font-size: rem(24);
            color: #666;
        }

        .adds {
            p{
                font-size: rem(24);
                color:#333;

                // &:nth-child(1) {
                //     margin-bottom: rem(10);
                // }
            }
        }
    }
}